EXPLANATION OF TABLE 1 



Fig. 1. Calamophyllia faxensis. Pieces of brancli ^/j. Faxe. 



— 2. — — Calyces "/i- Faxe. 



— 3. — — Cross-section of brancli ^/j. Faxe. 



— 4. — — Costae Vi- Faxe. 



— 5. — — Cross-section of branch "/j. Faxe. 



— 6. — — Lengthwise section of branch '/j. Faxe. 



— 7. — — Lengthwise section with calyx -/j. Faxe. 



— 8. Dendrophyllia candelabrum. Lengthwise section with calyx ^/j. Faxe. 



— 9. — — Costae ^/j. Faxe. 



— 10. — — Costae '/j. Faxe. 



— 11. — — Tangential cut ^,\. Faxe. 



— 12. — — Mode of growth ^1^. Faxe. 



— 13. — — Porosity in theca. ^/i. Faxe. 



— 14. — — Young colony ^/j. Faxe. 



— 15. — — Calyx ^/j. Faxe. 



— 16. — — Cross section of branch ^/j. Faxe. 



— 17 — 20. — — Modes of ramification ^/j. Faxe. 



— 21. — — Cross-section of stone kernels Faxe. 



— 22. — — Stone kernels. Surfaces »/j. Faxø. 



— 23. Sphenotrochus granulatus. Outer surface of the coral ^/j. Faxe. 



— 24. — — Calyx Vi- Faxe. 



— 25. — — Lengthwise section. Columella Faxe. 



— 26. Ceralotrochus saltholmensis. Form of coral ^l^. Saltholm. 



— 27. — — Form of coral Saltholm. 



— 28. — — Cross-section ^/,. Saltholm. 



— 29. — — Outer surface "/j. Saltholm. 



— 30. — — Lengthwise section Saltholm. 



— 31. — — Septa Vi- Saltholm. 



The originals belong to the Mineralogical Museum of the University of Copenhagen. 



Fig. 1—2. 



— 3—4. 



— 5—7. 



EXPLANATION OF TABLE 



Epilrochus vermiformis. 



Epiirochus pusillus. 



2/,. 1. Outer surface. 2. Cross section. 



3. Outer surface. 4. Cross section. 

 Form of the coral. Faxe. 

 Highly developed costae. Faxe. 

 2 Calyces. Faxe. 

 Lengthwise section. Faxe. 

 Tangential section. Faxe. 

 Young coral on hydro-coral. Faxe. 



Bulbjærg. 

 Stevns Cliff. 



Trochocyathus hemisphaericus. 



D. K. D. Vidensk. Selsk. Skr., 



Vi- Stone kernels. Cerithium chalk. 



^/,. Outer surface from wax impression. Cerithium chalk. 



, 8. Række, V. 3. 30 



